85038892385 has 8 divisors (see below), whose sum is σ = 102048954216. Its totient is φ = 68029591680.

The previous prime is 85038892357. The next prime is 85038892403. The reversal of 85038892385 is 58329883058.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 496933264 + 84541959121 = 22292^2 + 290761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85038892385 - 2²² = 85034698081 is a prime.

It is a super-2 number, since 2×85038892385² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94187 + ... + 423023.

It is an arithmetic number, because the mean of its divisors is an integer number (12756119277).

Almost surely, 2^85038892385 is an apocalyptic number.

It is an amenable number.

85038892385 is a deficient number, since it is larger than the sum of its proper divisors (17010061831).

85038892385 is a wasteful number, since it uses less digits than its factorization.

85038892385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380563.

The product of its (nonzero) digits is 16588800, while the sum is 59.

The spelling of 85038892385 in words is "eighty-five billion, thirty-eight million, eight hundred ninety-two thousand, three hundred eighty-five".